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Finding the Fourth Proportional to 344,344.32, 475,251.56 and 286,892.53

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Solution

The fourth proportional to 344,344.32, 475,251.56 and 286,892.53 is: 395,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,344.32 : 475,251.56 = 286,892.53 : x
  2. Step 2: Convert to fraction form
    344,344.32/475,251.56 = 286,892.53/x
  3. Step 3: Cross multiply
    344,344.32x = 475,251.56 × 286,892.53
  4. Step 4: Simplify right side
    344,344.32x = 136,346,122,434.85
  5. Step 5: Solve for x
    x = 136,346,122,434.85/344,344.32
  6. Step 6: Final answer
    x = 395,958.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.